v.
    - (with reference to a solid) become or cause to become incorporated into a liquid so as to form a solution.
 - formally end or annul (an assembly, marriage, etc.). 
▸disappear.
 - 
(dissolve into/in)
 subside uncontrollably into (an expression of strong feelings).
 - 
(dissolve into/to)
 (of an image or scene in a film) gradually blend into another.
 
n.
 an instance of dissolving from one image or scene in a film to another.
 
  Derivative
  
  Etymology
  ME: from L. dissolvere, from dis- ‘apart’ + solvere ‘loosen or solve’.